For citations:
In memoriam of Boris I. Marshak (01.02.1952 – 30.06.2021). Scientific and Technical Libraries. 2021;(6):129-130. (In Russ.)
In memoriam of Boris I. Marshak (01.02.1952 – 30.06.2021). Scientific and Technical Libraries. 2021;(6):129-130. (In Russ.)